package io;

import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;

public class CopyDemo {
    public static void main(String[] args) throws IOException {
        FileInputStream fis = new FileInputStream("./image.png");
        FileOutputStream fos = new FileOutputStream("./image_cp.png");

        int d;
        while ((d = fis.read()) != -1) {
            ;
            fos.write(d);

        }
        System.out.println("复制完毕");
        fis.close();
        fos.close();

    }
}



